CN109668997A - Full-automatic sustained combustion tester - Google Patents
Full-automatic sustained combustion tester Download PDFInfo
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- CN109668997A CN109668997A CN201710965606.2A CN201710965606A CN109668997A CN 109668997 A CN109668997 A CN 109668997A CN 201710965606 A CN201710965606 A CN 201710965606A CN 109668997 A CN109668997 A CN 109668997A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N31/00—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
- G01N31/12—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using combustion
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Abstract
The present invention relates to a kind of full-automatic sustained combustion tester, mainly solve the problems, such as to there is no automation sustained combustion tester in the prior art.The present invention is by using a kind of full-automatic sustained combustion tester, it is made of tentative module and the big module of data control block two, tentative module includes sampling injector, sample introduction control-rod, fuel tank, ignition wire, test gas nozzle, sample cell, thermocouple, temperature controller, extinguishing device, pedestal；Data control block is computer, and sampling injector is fixed on sample introduction control-rod, and sample introduction control-rod controls its sampling and sample introduction；Fuel tank is connected on test gas nozzle, provides fuel for it；Ignition wire is fixed on sample cell, is lighted a fire on gas nozzle to testing；It is fixed on sample cell on test gas nozzle；Sample cell is fixed on temperature controller, and temperature controller carries out temperature control to it；The technical solution that extinguishing device is fixed on the base preferably solves the above problem, can be used in sustained combustion test.
Description
Technical field
The present invention relates to a kind of full-automatic sustained combustion testers.
Background technique
Sustained combustion test is to test a kind of liquid substance (flash-point is in 35 DEG C~60 DEG C ranges), under test conditions
Whether (60.5 DEG C or 75 DEG C) being capable of sustained combustion when heating and being exposed to flame.In the United Nations " about Dangerous Goods Transport
Recommendation --- test and standard manual " the 3rd class flammable liquid sort program and " hazardous chemical register " (2015) 2828
Have specific regulation in entry: flash-point is higher than 35 DEG C, if but the liquid no more than 60 DEG C obtained in sustained combustion test
Negative decision, not as flammable liquid management.
Technical requirements of the present invention in terms of sustained combustion test have reached the United Nations's " suggestion about Dangerous Goods Transport
Book --- test and standard manual " requirement of sustained combustion test method in (hereinafter referred to as " test and standard manual ").Currently,
The case where according to literature search and market survey, domestic there has been no relevant mechanisms according to " test and standard manual " sustained combustion
The requirement of test method designed sustained combustion experimental test similar test device, also not with the similar commodity of the present invention
Change full-automatic sustained combustion tester, the present invention has important directive significance to the classification of the 3rd class flammable liquid.
Summary of the invention
The technical problem to be solved by the present invention is to there is no automation sustained combustion tester in the prior art, mention
For a kind of new full-automatic sustained combustion tester.The tester has high degree of automation, can reach " about dangerous cargo
The recommendation of transport --- test and standard manual " test request the advantages of.
To solve the above problems, The technical solution adopted by the invention is as follows: a kind of full-automatic sustained combustion tester, by trying
Module and the big module of data control block two composition are tested, tentative module includes sampling injector, sample introduction control-rod, fuel tank, point
Fiery silk, test gas nozzle, sample cell, thermocouple, temperature controller, extinguishing device, pedestal；Data control block is to calculate
Machine, sampling injector are fixed on sample introduction control-rod, and sample introduction control-rod controls its sampling and sample introduction；Fuel tank is connected to test coal
In gas jets, fuel is provided for it；Ignition wire is fixed on sample cell, is lighted a fire on gas nozzle to testing；Test gas nozzle
On be fixed on sample cell；Sample cell is fixed on temperature controller, and temperature controller carries out temperature control to it；Extinguishing device is fixed
On pedestal, put out a fire to the sample in sample cell.
In above-mentioned technical proposal, it is preferable that the needle position of sampling injector lower end 1-3 milli higher than sample cell horizontal plane
Rice, upper end are fixed on sample introduction control-rod, can be rotated centered on control-rod, and sample introduction control-rod controls its sampling, rotation control
Sample is added for it.
In above-mentioned technical proposal, it is preferable that sample introduction control-rod is plastic construction, hollow, and lower part is equipped with rotating device, is passed through
Data line is connect with computer, controls sampling and the sample introduction of sampling injector.
In above-mentioned technical proposal, it is preferable that the fuel in fuel tank is butane, is connected to test coal gas by gas piping
On nozzle.
In above-mentioned technical proposal, it is preferable that ignition wire is nickel chromium, mounted in the position of sample cell test gas nozzle "Off"
It sets, when on-test, test gas nozzle igniting is used.
In above-mentioned technical proposal, it is preferable that test gas nozzle can rotate on sample cell, inside set solenoid valve, control
The switch of gas nozzle fuel is tested, solenoid valve controls by computer, and when test, flame size is adjusted to a height of 8~9 millimeters.
In above-mentioned technical proposal, it is preferable that sample cell is copper material, cylindrical, is fixed on temperature controller, top
For circular groove.
In above-mentioned technical proposal, it is preferable that thermocouple is nickel chromium, and accuracy is ± 0.1 DEG C, and level is inserted in sample cell
In, position is the underface of top circular groove, on computers by data line connection.
In above-mentioned technical proposal, it is preferable that extinguishing device includes fixed link and metal disk, and metal disk is connected to fixation
On bar, rotates, put out a fire after experiment by sample of the key to burning, extinguishing device is fixed on pedestal around fixed link
On.
The major function or advantage of this full-automatic sustained combustion tester: it is automatic to heat by program automatic sampling sample introduction,
Automatic ignition, it is convenient and efficient, effectively prevent personal injury of the chemicals to experimenter.When being heated by process control sample
Between, the sample duration of ignition, the strong accuracy for improving test.Extinguishing device is increased, the peace of test is greatly provided
Overall coefficient achieves preferable technical effect.
Detailed description of the invention
Fig. 1: full-automatic sustained combustion tester analysis diagram；
Fig. 2: sample cell front view；
In Fig. 1: sampling injector (1), sample introduction control-rod (2), fuel tank (3), ignition wire (4) test gas nozzle
(5), sample cell (6), thermocouple (7), temperature controller (8), extinguishing device (9), pedestal (10), computer (11).
The present invention will be further described below by way of examples, but is not limited only to the present embodiment.
Specific embodiment
[embodiment 1]
A kind of full-automatic sustained combustion tester, as shown in Figure 1, by tentative module and the big module group of data control block two
At tentative module includes: sampling injector, sample introduction control-rod, fuel tank, ignition wire, test gas nozzle, sample cell, thermoelectricity
It is even, temperature controller, extinguishing device, pedestal；Data control block is computer.In the present invention, sampling injector is fixed on sample introduction
On control-rod, sample introduction control-rod controls its sampling and sample introduction；Fuel tank is connected on test gas nozzle, provides fuel for it；
Ignition wire is fixed on sample cell, is lighted a fire on gas nozzle to testing；It is fixed on sample cell on test gas nozzle；Sample cell
It is fixed on temperature controller, temperature controller carries out temperature control to it；Extinguishing device is fixed on the base, to the sample in sample cell
Product are put out a fire.
(1) sampling injector: 2 milliliters of capacity, accuracy ± 0.1 milliliter, lower end needle position is higher than sample cell horizontal plane by 2
Millimeter, upper end are fixed on sample introduction control-rod, can be rotated centered on control-rod, and sample introduction control-rod controls its sampling, rotation
It controls it sample is added, it is disposably, replaceable.
(2) sample introduction control-rod: plastic construction, it is hollow, 10 millimeters of outer diameter, lower part be equipped with rotating device, by data line with
Computer connection, controls sampling and the sample introduction of sampling injector.
(3) fuel tank: small-sized 500 milliliters of fuel tanks, fuel is butane, is connected to test gas nozzle by gas piping
On.
(4) ignition wire: nickel chromium, in sample cell test gas nozzle off position, when on-test, to examination
Gas nozzle igniting is tested to use.
(5) it tests gas nozzle: on sample cell, can rotate, inside set solenoid valve, Control experiment gas nozzle fuel
Switch, solenoid valve controls by computer, when test, flame size be adjusted to it is about 8~9 millimeters high, it is about 5 millimeters wide.
(6) sample cell: sample cell is copper material, cylindrical, is fixed on temperature controller, 95 millimeters of upper diameter,
Highly 3 millimeters, 61.5 millimeters of lower diameter, 32 millimeters of height, the circular groove that top is 41 millimeters of diameter, 6.2 millimeters of depth.
(7) thermocouple: nickel chromium, accuracy, ± 0.1 DEG C, level is inserted in sample cell, position be top circular groove just
At 10 millimeters of lower section, on computers by data line connection.
(8) temperature controller: heating sample cell, controls the temperature of sample cell, temperature control range room temperature~100 DEG C,
Precision ± 0.1 DEG C, while controlling ignition wire igniting.
(9) extinguishing device: extinguishing device includes fixed link and metal disk, and metal disk is connected in fixed link, can be with
It rotates, is put out a fire after experiment by sample of the key to burning, extinguishing device is fixed on the base around fixed link.
(10) pedestal: fixed temperature controller, extinguishing device and sample introduction control-rod are used.
(11) computer: computer is automatically brought into operation by software control instrument, and software shares 4 sets of operation sequences: 4 sets of programs are opposite
Independently, it is successively carried out when test, every set program repeats 3 times, and " sustained combustion " result occur can stop, and otherwise successively carries out down
It goes, until being fully completed experiment.(sustained combustion: the sample in sample cell is ignited and leaves energy sustained combustion 15 after incendiary source
Second or more)
Program 1 (60.5 DEG C of temperature, 60 seconds heating times)
→ closing solenoid valve → is heated to 60.5 DEG C and (is heated within opens solenoid valve 5 minutes (manually adjusting flame size)
Constant temperature after 60.5 DEG C) → automatic sampling → test gas nozzle igniting → sample introduction (stablizing 60 seconds) → test gas nozzle is moved to
Testing position (stopping 15 seconds) → test gas nozzle is moved back to off position → test gas nozzle and stops working.Experiment terminates defensive position
Dynamic replacement sampling injector.
Program 2 (60.5 DEG C of temperature, 30 seconds heating times)
Stablize 10 minutes → automatic sampling → test gas nozzle igniting → sample introduction (stablizing 30 seconds) → test gas nozzle
It is flame-out to be moved to testing position (stop 15 seconds) → test gas nozzle is moved back to off position → test gas nozzle.Experiment knot
Sampling injector is replaced after beam manually.
Program 3 (75 DEG C of temperature, 60 seconds heating times)
It is heated to 75 DEG C of (constant temperature after being heated to 75 DEG C) → automatic sampling → test gas nozzle igniting → sample introductions and (stablizes 60
Second) → test gas nozzle is moved to testing position (stop 15 seconds) → test gas nozzle is moved back to off position → test coal
Gas jets are flame-out.Sampling injector is replaced after experiment manually.Program 4 (75 DEG C of temperature, 30 seconds heating times)
Stablize 10 minutes → automatic sampling → test gas nozzle igniting → sample introduction (stablizing 30 seconds) → test gas nozzle
It is flame-out to be moved to testing position (stop 15 seconds) → test gas nozzle is moved back to off position → test gas nozzle.Experiment knot
Sampling injector is replaced after beam manually.
When using apparatus of the present invention, needs in air velocity to be to be tested in 0.5 meter per second or smaller draught cupboard, arrange
Wind system should be suitable for absorbing toxic flue gas, then be tested according to the following steps:
(1) test sample is got out, designated place is placed on, opens test equipment, computer.
(2) test program is opened:
Successively according to program 1, program 2, program 3, program 4 is tested, if there is sustained combustion, test can stop,
During the test, record test flame in off position whether sustained combustion, test flame testing position stop
Whether after 15 seconds, leaving can sustained combustion after testing position.
(3) it puts out a fire
If there is sustained combustion during test, test terminates, after need to put out a fire to sample, click go out manually
Key on fiery device.
(4) tester is closed, computer is closed, replaces sampling injector.
This full-automatic sustained combustion tester specific experiment process and method may refer to " test and standard manual "
32.5.2
It tests L.2: sustained combustion test.
The method of testing standard and assessment result:
Substance should be set to not sustained combustion or sustained combustion.If any one sample is in two heating times or two
One in test temperature occurs a kind of following situation should say it is sustained combustion:
(a) for test flame in off position, sample is lighted and sustained combustion；
(b) test flame when testing position stops 15 seconds, light and return to the position of "Off" in test flame by sample
Postponing sustained combustion is more than 15 seconds.
The spark jump of interval should not be construed as sustained combustion.Usually then at 15 seconds, burning or significantly stopping
Or continue.If not sure, substance should be regarded as sustained combustion.
For this full-automatic sustained combustion tester by program automatic sampling sample introduction, automatic to heat, automatic ignition is convenient fast
Victory effectively prevents personal injury of the chemicals to experimenter.By process control sample heating time, when sample is lighted a fire
Between, the strong accuracy for improving test.Extinguishing device is increased, the safety coefficient of test is greatly provided, achieves
Preferable technical effect.
Claims (9)
1. a kind of full-automatic sustained combustion tester is made of, tentative module tentative module and the big module of data control block two
Including sampling injector, sample introduction control-rod, fuel tank, ignition wire, test gas nozzle, sample cell, thermocouple, temperature control
Device, extinguishing device, pedestal；Data control block is computer, and sampling injector is fixed on sample introduction control-rod, sample introduction control-rod
Control its sampling and sample introduction；Fuel tank is connected on test gas nozzle, provides fuel for it；Ignition wire is fixed on sample cell
On, it lights a fire on gas nozzle to testing；Test gas nozzle is fixed on sample cell；Sample cell is fixed on temperature controller,
Temperature controller carries out temperature control to it；Extinguishing device is fixed on the base, and is put out a fire to the sample in sample cell.
2. full-automatic sustained combustion tester according to claim 1, it is characterised in that the syringe needle position of sampling injector lower end
Set 1-3 millimeters higher than sample cell horizontal plane, upper end is fixed on sample introduction control-rod, can be rotated centered on control-rod, sample introduction control
Bar processed controls its sampling, and rotation controls it and sample is added.
3. full-automatic sustained combustion tester according to claim 1, it is characterised in that sample introduction control-rod is plastic construction, in
Sky, lower part are equipped with rotating device, are connect by data line with computer, control sampling and the sample introduction of sampling injector.
4. full-automatic sustained combustion tester according to claim 1, it is characterised in that the fuel in fuel tank is butane, is led to
Gas piping is crossed to be connected on test gas nozzle.
5. full-automatic sustained combustion tester according to claim 1, it is characterised in that ignition wire is nickel chromium, is mounted in sample
Product slot is tested in gas nozzle off position, when on-test, is used test gas nozzle igniting.
6. full-automatic sustained combustion tester according to claim 1, it is characterised in that test gas nozzle is mounted in sample cell
On, it can rotate, inside set solenoid valve, the switch of Control experiment gas nozzle fuel, solenoid valve is controlled by computer, when test, flame
Size is adjusted to a height of 8~9 millimeters.
7. full-automatic sustained combustion tester according to claim 1, it is characterised in that sample cell is copper material, cylinder
Shape is fixed on temperature controller, and top is circular groove.
8. full-automatic sustained combustion tester according to claim 1, it is characterised in that thermocouple is nickel chromium, accuracy
It is ± 0.1 DEG C, level is inserted in sample cell, and position is the underface of top circular groove, on computers by data line connection.
9. full-automatic sustained combustion tester according to claim 1, it is characterised in that extinguishing device includes fixed link and gold
Belong to disk, metal disk is connected in fixed link, rotated around fixed link, after experiment by key to the sample of burning into
Row fire extinguishing, extinguishing device are fixed on the base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710965606.2A CN109668997A (en) | 2017-10-17 | 2017-10-17 | Full-automatic sustained combustion tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710965606.2A CN109668997A (en) | 2017-10-17 | 2017-10-17 | Full-automatic sustained combustion tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109668997A true CN109668997A (en) | 2019-04-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710965606.2A Pending CN109668997A (en) | 2017-10-17 | 2017-10-17 | Full-automatic sustained combustion tester |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111781298A (en) * | 2019-04-04 | 2020-10-16 | 应急管理部化学品登记中心 | Auxiliary device for combustibility test of solid substance easy to melt by heating and application thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2483720Y (en) * | 2000-11-09 | 2002-03-27 | 中华人民共和国天津出入境检验检疫局 | Tester for dangerous cargo sustained combustion |
| CN102128857A (en) * | 2010-12-31 | 2011-07-20 | 宁波出入境检验检疫局检验检疫技术中心 | Liquid sustained combustion tester |
| CN103123349A (en) * | 2012-10-18 | 2013-05-29 | 中国石油化工股份有限公司 | Liquid sustained combustion test device |
| CN105842270A (en) * | 2016-05-11 | 2016-08-10 | 河北出入境检验检疫局检验检疫技术中心 | Liquid continuous combustion tester |
-
2017
- 2017-10-17 CN CN201710965606.2A patent/CN109668997A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2483720Y (en) * | 2000-11-09 | 2002-03-27 | 中华人民共和国天津出入境检验检疫局 | Tester for dangerous cargo sustained combustion |
| CN102128857A (en) * | 2010-12-31 | 2011-07-20 | 宁波出入境检验检疫局检验检疫技术中心 | Liquid sustained combustion tester |
| CN103123349A (en) * | 2012-10-18 | 2013-05-29 | 中国石油化工股份有限公司 | Liquid sustained combustion test device |
| CN105842270A (en) * | 2016-05-11 | 2016-08-10 | 河北出入境检验检疫局检验检疫技术中心 | Liquid continuous combustion tester |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111781298A (en) * | 2019-04-04 | 2020-10-16 | 应急管理部化学品登记中心 | Auxiliary device for combustibility test of solid substance easy to melt by heating and application thereof |
| CN111781298B (en) * | 2019-04-04 | 2022-08-19 | 应急管理部化学品登记中心 | Auxiliary device for combustibility test of solid substance easily melted by heating and application thereof |
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Application publication date: 20190423 |
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